Visa and Samsung agree to embed Visa PayWave technology into several new NFC-enabled phones, making it easier for newcomers to offer a mobile wallet app. But will U.S. carriers put the kibosh on their plans in the States?

In anticipation for Samsung's next flagship handset, the rumor mill has been churning out one speculation after another about the Galaxy S4. CNET gathers the latest (and craziest) rumors about the device.